REDHAT-BUG-2427456: High severity pypi/aiohttp vulnerability
Published Jan 6, 2026
·Updated
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server. An attacker may be able to send a compressed request that when decompressed by AIOHTTP could exhaust the host's memory. This issue is fixed in version 3.13.3.
Affected Software
1 affected component
pypi/aiohttp<=3.13.2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
aiohttpto a version that resolves this vulnerability.Fixed in 3.13.3
Event History
Jan 6, 2026
Data Sourced
via Red Hat·08:02 PM
DescriptionSeverityAffected Software